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Duano Sapta Nusantara

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Assessing Students’ Mathematical Literacy through PISA Items in the Space and Shape Content Inaara Pangesti Marsyandia; Duano Sapta Nusantara; Tria Gustiningsi
Brillo Journal Vol 5 No 1 (2025): -
Publisher : S&Co Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/bj.v5i1.153

This study aims to analyze students’ mathematical literacy in solving PISA problems, particularly in the space and shape domain. The research approach used is a qualitative approach. This type of research is qualitative descriptive approach. The study involved 27 ninth-grade students from one of Junior High School (JHS) in Kota Jambi. Data were collected through a written test using items adopted from the 2012 PISA Mathematics Released Problems, complemented by interviews to gain deeper insights. The results revealed that students’ mathematical literacy abilities were categorized into high, medium, and low levels. The results show that most students demonstrate low mathematical literacy skills. Based on the three indicators of mathematical literacy, students in the high-ability category were able to formulate mathematical models, employ geometric concepts appropriately, and interpret the results within the given context. Students in the medium category were able to perform correct procedures but were unable to derive meaningful conclusions, while students in the low category experienced difficulties in all indicators. These findings indicate that students’ mathematical literacy skills in geometry remain limited, particularly in reasoning and interpreting results. Therefore, learning activities that facilitate reasoning and provide more PISA-like tasks are needed to help strengthen students’ mathematical literacy, especially in space and shape problems. Future research may also explore the use of locally contextualized PISA-like tasks to provide students with more meaningful and relatable problem situations.

FINANCIAL LITERACY OF FIRST-SEMESTER UNIVERSITY STUDENTS: INSIGHTS FROM PISA FINANCIAL TASKS IN INDONESIA Aminah Ramalia; Duano Sapta Nusantara; Amirul Mukminin; Florante Ibarra
Brillo Journal Vol 5 No 2 (2026)
Publisher : S&Co Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/bj.v5i2.184

This study examines the financial literacy competencies of first-semester university students, focusing on their ability to interpret authentic financial documents such as pay slips and bank statements. Using the PISA financial literacy framework, the study employed a qualitative descriptive design involving 32 students from Universitas Jambi. Data were collected through open-ended tasks and semi-structured interviews, with three representative cases analyzed in depth. The findings show that most students could perform basic calculations, including identifying gross and net income, but experienced difficulties in more complex financial reasoning. Common errors involved misunderstanding recurring administrative fees and ignoring prior balances when calculating final account totals. Interviews revealed that students often relied on estimation rather than systematic reasoning, indicating a stronger procedural than conceptual understanding of financial information. The study highlights the importance of pedagogical approaches that promote interpretive and analytical reasoning beyond computation. It recommends the use of contextualized, open-ended financial tasks based on the PISA framework and encourages interdisciplinary collaboration between mathematics and economics education to strengthen students’ financial literacy and decision-making skills.

Teaching the Rule of Product using Nature Tourism Routes Aan Putra; Zulkardi Zulkardi; Ratu Ilma Indra Putri; Laswadi Laswadi; Elly Susanti; Duano Sapta Nusantara
Tarbawi : Jurnal Ilmu Pendidikan Vol. 19 No. 2 (2023): Tarbawi : Jurnal Ilmu Pendidikan
Publisher : Fakultas Tarbiyah dan Ilmu Keguruan Institut Agama Islam Negeri Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/tarbawi.v19i2.3168

A tourism route is a sequence of tourist attractions visited. Students are familiar with tour activities and often plan tourism routes to visit several tourist attractions. Students' experience and knowledge about tourism routes can be used as a context for teaching the rule of product. Therefore, this research aims to design a learning trajectory for the rule of product using the Indonesian Realistic Mathematics Education (PMRI) approach in the Kerinci nature tourism route context. The research method used is design research with a validation study type, which consists of three stages: preparation and design, teaching experiment, and retrospective analysis. The subjects involved in this research were 11 third-semester mathematics education students at a university in Jambi, Indonesia. The instruments include learning video recordings, student work results, field notes, and test sheets. The research results show that learning trajectories designed in the context of tourism routes can help students discover, understand, and use the rule of product in solving relevant mathematical problems. The learning tracjectory consists of four activities: making a list of Kerinci tourist attractions, determining the location of several tourist attractions on a sketch map, arranging tourist attractions in tourism routes, and solving problems regarding possible tourism routes. This research shows that the designed learning trajectory is vital in helping students discover and understand the rule of product and apply them to solving relevant problems.

Literasi dan aljabar dalam penalaran matematika melalui tes berbasis komputer:Tinjauan literatur sistematis Fitriyani Fitriyani; Duano Sapta Nusantara; Rohati Rohati; Kgaladi Maphutha
Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika Vol 12 No 1 (2026): Jurnal Math Educator Nusantara
Publisher : Program Studi Pendidikan Matematika, Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmen.v12i1.27709

This systematic literature review (SLR) aims to analyze and synthesize the role of literacy and algebraic proficiency in predicting students' mathematical reasoning abilities, specifically in the context of the Computer-Based Written Exam (UTBK). The SLR method used in this study is a review of 18 articles, consisting of 11 documents from the Scopus database and 7 from the Google Scholar database, from 2019-2025. Using bibliometric analysis with the VOSviewer application, it shows that students' difficulties often arise at the stage of understanding problem narratives (literacy) before they are able to model and generalize algebra (algebraic literacy), which then leads to their logistical reasoning. However, the existing literature data indicates a research gap because no study has explicitly used structural modeling (SEM) to quantitatively test and validate the causal relationship pathways between these three variables. Therefore, the main recommendation of this study is to develop a rigorous structural model, supported by diagnostic error analysis based on Newman's analysis (NEA), to provide a strong foundation for focused and effective pedagogical interventions

Penalaran Matematika Siswa SMP pada Soal Cerita Andi Kurnia Riski Sanneng; Rohati Rohati; Duano Sapta Nusantara
SJME (Supremum Journal of Mathematics Education) Vol 10 No 2 (2026): Supremum Journal of Mahematics Education
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Singaperbangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35706/sjme.v10i2.13412

This study aimed to describe the mathematical reasoning profiles of eighth-grade students in solving linear equations in one variable (LEOV) word problems. A descriptive qualitative approach was employed as a preliminary investigation before the development of an instructional intervention. The participants were 27 eighth-grade students from a public junior high school in Jambi City who had previously studied LEOV. Data were collected through two essay-based word problems developed according to five mathematical reasoning indicators: formulating hypotheses, performing mathematical manipulations, constructing proofs, drawing conclusions, and verifying the validity of arguments. The test items were reviewed by a mathematics education lecturer and complemented by semi-structured interviews with six purposively selected students representing high, moderate, and low reasoning categories. Data were analyzed through data reduction, data display, conclusion drawing, descriptive statistics, and triangulation of written responses, interview results, and supporting documentation. The findings revealed that students’ mathematical reasoning ability was generally low, with an average score of 9.19 out of 40. Of the participants, 3.70% were classified in the high category, 14.81% in the moderate category, and 81.48% in the low category. Formulating hypotheses showed the highest achievement at 28.24%, whereas verifying the validity of arguments was the weakest indicator at 9.72%. High-ability students demonstrated relatively systematic and reflective reasoning, while moderate- and low-ability students experienced difficulties in constructing mathematical models, providing logical justification, drawing context-appropriate conclusions, and checking their solutions. These difficulties were particularly associated with students’ limited ability to visualize the situations described in word problems. The findings highlight the need for visual, contextual, and step-by-step learning activities that strengthen mathematical modeling, argumentation, verification, and students’ confidence in solving LEOV word problems.

PENGEMBANGAN SOAL MATEMATIKA TIPE PISA KONTEN UNCERTAINTY AND DATA MENGGUNAKAN KONTEKS MUSEUM SIGINJAI JAMBI Uci Lusinda; Feri Tiona Pasaribu; Tria Gustiningsi; Duano Sapta Nusantara
Jurnal Numeracy Vol 12 No 1 (2025)
Publisher : Program Studi Pendidikan Matematika, Universitas Bina Bangsa Getsempena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/numeracy.v12i1.3128

Rendahnya hasil PISA siswa di Indonesia disebabkan kurang terbiasanya siswa dalam memecahkan soal berkarakteristik PISA khususnya pada konten uncertainty and data. Untuk mengatasi hal ini, pembelajaran perlu membiasakan siswa dengan metode penyelesaian soal PISA. Oleh karena itu, penelitian ini bertujuan untuk mengembangkan soal matematika tipe PISA konten uncertainty and data menggunakan konteks Museum Siginjai Jambi untuk siswa SMP yang valid, praktis dan memiliki efek potensial terhadap literasi matematika siswa. Metode penelitian yang digunakan adalah Design research tipe development study. Soal dikembangkan dalam tiga tahap yaitu tahap preliminary, tahap formative evaluation, dan assessment phase (tahap penilaian). Subjek penelitian ini adalah siswa SMPN 4 Kota Jambi yang berjumlah 26 siswa. Data dikumpulkan dengan cara wawancara, tes, dan pemberian angket. Data menunjukkan presentase 78,7% kategori valid untuk validitas soal, dengan presentase 78,5% kategori praktis untuk praktikalitas pada tahap one-to-one dan untuk presentase 84% kategori sangat praktis untuk praktikalitas pada tahap small group. Hasil penelitian ini adalah soal matematika tipe PISA konten uncertainty and data menggunakan konteks Museum Siginjai Jambi untuk siswa SMP yang valid dan praktis. Selanjutnya, soal yang dihasilkan memiliki efek potensial terhadap literasi matematika siswa. AbstractThe low PISA results of students in Indonesia are caused by students' lack of familiarity in solving PISA-characteristic problems, especially in the content of uncertainty and data. To overcome this, learning needs to familiarize students with the PISA problem-solving method. Therefore, this study aims to develop PISA-type mathematics problems with uncertainty and data content using the context of the Siginjai Jambi Museum for junior high school students that are valid, practical and have a potential effect on students' mathematical literacy. The research method used is Design research type development study. The questions were developed in three stages, namely the preliminary stage, the formative evaluation stage, and the assessment phase. The subjects of this study were 26 students of Secondary School Number 4 Kota Jambi. Data were collected by interview, test, and questionnaire. The data shows a percentage of 78.7% valid category for question validity, with a percentage of 78.5% practical category for practicality at the one-to-one stage and for a percentage of 84% very practical category for practicality at the small group stage. The results of this study are PISA type mathematics questions with uncertainty and data content with the Jambi context for junior high school students that are valid and practical. Furthermore, the questions generated have a potential effect on students' mathematical literacy.

PENGEMBANGAN SOAL MATEMATIKA TIPE PISA LEVEL 6 MENGGUNAKAN KONTEKS BENDA BERSEJARAH Ira Iswari; Feri Tiona Pasaribu; Tria Gustiningsi; Duano Sapta Nusantara
Jurnal Numeracy Vol 12 No 1 (2025)
Publisher : Program Studi Pendidikan Matematika, Universitas Bina Bangsa Getsempena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/numeracy.v12i1.3134

Rendahnya capaian siswa Indonesia pada PISA yang hanya mampu mengerjakan soal pada level rendah, menegaskan perlunya pengembangan soal PISA dengan level tinggi untuk membiasakan siswa dalam mengerjakannya. Penelitian ini bertujuan untuk menghasilkan soal matematika tipe PISA dengan menggunakan konteks benda bersejarah yang valid, praktis dan menimbulkan efek potensial terhadap kemampuan literasi matematika. Subjek pada penelitian ini adalah 30 siswa kelas VIII SMP N 11 Kota Jambi. Penelitian ini merupakan penelitian pengembangan dengan menggunakan model design research dengan tipe development studies, yang terdiri dari tahap preliminary, prototyping, dan assesment phase. Data dikumpulkan dengan menggunakan wawancara, angket, dan lembar tes. Analisis hasil penelitian ini dilakukan secara kualitatif berdasarkan masukan dan saran validator, data dari lapangan yang didapat dari siswa pada saat siswa mengerjakan soal, dan analisis hasil jawaban siswa. Dan dilakukan secara kuantitatif berdasarkan angket validasi, dan angket praktikalitas butir soal. Hasil penelitian ini berupa pengembangan soal matematika tipe PISA level 6 menggunakan konteks Benda Bersejarah yang valid dan praktis. Selanjutnya soal yang dihasilkan memiliki efek potensial terhadap kemampuan literasi matematika.AbstractThe low achievement of Indonesian students in PISA who are only able to work on questions at a low level, emphasizes the need to develop high-level PISA questions to get students used to working on them. This study aims to produce PISA-type mathematics questions using the context of historical objects that are valid, practical and have a potential effect on mathematical literacy skills. The subjects in this study were grade VIII students of Secondari School Number 11 Kota Jambi. This study is a development study using a design research model with a development studies type, consisting of preliminary, prototyping, and assessment phases. Data were collected using interviews, questionnaires, and test sheets. The analysis of the results of this study was carried out qualitatively based on input and suggestions from validators, data from the field obtained from students when students were working on the questions, and analysis of student answer results. And carried out quantitatively based on validation questionnaires, and questionnaires on the practicality of the question items. The results of this study are the development of PISA-type level 6 mathematics questions using the context of Historical Objects. After the questions were pilot tested, the resulting questions had the potential to impact mathematical literacy skills.

STUDENTS’ ERRORS IN SOLVING PISA QUESTIONS ON SPACE AND SHAPE CONTENT Rachma Kiraam; Duano Sapta Nusantara; Feri Tiona Pasaribu
Jurnal Numeracy Vol 12 No 2 (2025)
Publisher : Program Studi Pendidikan Matematika, Universitas Bina Bangsa Getsempena

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/numeracy.v12i2.3436

The main objective of this study is to identify and explain students’ errors in solving PISA questions on Space and Shape content using Newman’s Error Analysis. The errors analyzed include five categories: reading errors, comprehension errors, transformation errors, process skill errors, and encoding errors. This study employs a descriptive qualitative approach with data collected through tests and interviews. The research subjects are ninth-grade students at SMP Negeri 7 Muaro Jambi. The results show that students frequently made errors in the stages of understanding the questions, modelling the questions into mathematical forms, and process skills. These errors were by weaknesses in processing information, limited mathematical skills in real-life contexts, and a lack of experience in practicing PISA questions. These findings highlight the importance of familiarizing students with contextual problems as an effort to minimize errors in solving PISA questions.

Portrait of Junior High School Students' Statistical Literacy through PISA on Uncertainty and Data Content Satria Bayu Herlambang; Duano Sapta Nusantara; Feri Tiona Pasaribu
Jurnal Pendidikan Matematika Universitas Lampung Vol. 13 No. 4 (2025): Jurnal Pendidikan Matematika Universitas Lampung
Publisher : Faculty of Teacher Training and Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mtk/v13i4.pp217-228

Statistical literacy is a critical 21st-century competency, as students increasingly encounter data-driven information in their everyday lives. However, international assessments such as PISA consistently show that Indonesian students struggle to interpret and reason with data. This study aims to investigate junior high school (JHS) students’ statistical literacy in solving PISA-based problems related to uncertainty and data, while also linking the results to Sustainable Development Goal (SDG) 4: Quality Education. A descriptive qualitative approach was employed involving 40 ninth-grade students from JHS Negeri 6 Kota Jambi, selected through purposive sampling to represent high, medium, and low academic ability groups. Data were collected through a validated PISA 2012 item focusing on uncertainty and data, along with semi-structured interviews designed to explore students’ statistical-literacy strategies. Data analysis followed an interactive model consisting of data reduction, data display, and conclusion drawing, guided by Schield’s (2011) statistical-literacy indicators. The findings indicate that only 17.5% of students demonstrated a high level of statistical literacy, while most were categorized as medium (37.5%) or low (45%). Further analysis revealed persistent difficulties in identifying trends, calculating averages, and drawing valid conclusions. These findings underscore the need for contextual, PISA-based learning tasks that foster statistical reasoning and strengthen students’ fundamental literacy skills as a foundation for achieving quality education.

PENGARUH MODEL PROBLEM BASED LEARNING DALAM MENINGKATKAN KEMAMPUAN PEMECAHAN MATEMATIS: SYSTEMATIC LITERATURE REVIEW Himatul Anisah; Duano Sapta Nusantara; Rohati Rohati
JURNAL LEMMA Vol 12, No 2 (2026): Lemma: Letters of Mathematics Education
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jl.2026.v12i2.10716

This study aims to analyze the effect of the Problem Based Learning (PBL) model on improving students’ mathematical problem-solving ability through a Systematic Literature Review (SLR) using the PRISMA protocol. Analysis of 15 relevant articles retrieved from Scopus (2015–2025) revealed a significant publication growth of 780% with a compound annual growth rate (CAGR) of 24%, reaching its peak in the period 2024–2025. VOSviewer analysis identified four main themes: problem solving, effect, development, and concept. PBL demonstrated a significant positive effect, with an N-gain of 0.708 in the experimental group compared to 0.22 in the control group (p<0.001). Effective factors in implementing PBL include problem orientation, structured group learning, integration of real-life contexts, metacognition, collaboration, and reflection. PBL also enhances affective aspects such as positive attitudes, perseverance, and student motivation. This study concludes that PBL is an effective learning model and is recommended for improving students’ mathematical problem-solving ability across various educational levels.

Co-Authors Aan Putra Aan Putra Ade Kumalasari Agyta Meitrilova Ambarita, Sahala Martua Aminah Ramalia Amirul Mukminin Andi Kurnia Riski Sanneng Andika, Windi Dwi Aprilisa, Shinta Arika Sari Asmaul Husna Ayu Luviyanti Tanjung B. Widya Melati Patricia Berliani, Risma Cahyani , Feby Indah Chn, Rafika Riana Da Tien Nguyen Delia Septimiranti Deska, Salsabila Putri Dessy Rahmawati, Dessy Dewi Rawani Dita Nur Syaharani Drajat Friansah Elika Elika Elly Susanti Elly Susanti ELLY SUSANTI Ely Susanti Fadhia Aliva Wibowo Felisha , Melvi Feri Tiona Pasaribu Fidella Justine Mulyadi Fitriyani Fitriyani Florante Ibarra Florante P. Ibarra Hanipa Hanipa Himatul Anisah Ida Hamidah Ilhami, Mohamad Inaara Pangesti Marsyandia Intan Juniarmi Ira Iswari Jayanti Jayanti Jayanti Junita, Ranisa Kgaladi Maphutha Kgaladi Maphutha Kgaladi Maphutha Laswadi Laswadi Linda Puspitasari Lisnaini Lisnaini Lusiana Maharani Maharani, Yulianita Maifa Munsyaila Putri Malalina Malalina Maphutha, Kgaladi Marhamah Marhamah Marlina Marlina Meitrilova, Agyta Meryansumayeka Meryansumayeka Milla Rodhiana Rasyid Mursyidah J Parandrengi Najwa Olifia Annnisa Rambe Ninik Purwaning Setyorini Novi Rahmayanti Novi Susanti Nuria Amanda Manda Partono Partono Perdana, Yogi Permatasari, Ranni Pratama, Nasya Aprina Pratiwi, Riszky Pabela Priyanto Priyanto Puspitasari, Linda Rachma Kiraam Rahayu, Chika Ranni Permatasari Ratu Ilma Indra Putri Retno Ayu Wulandari Rini Rini Risda Intan Sistyawati Risdiyanti, Irma Riska Amelia Riszky Pabela Pratiwi Rita Inderawati Rohati Rohati Rohati Roseli Theis Rully Charitas Indra Prahmana Sahala Martua Ambarita Sainuddin, Syamsir Sakiman, Novi Komariyatiningsih Samsuriyadi Samsuriyadi Samsuryadi Samsuryadi Samsuryadi Saskiyah, Sulafah Ansya Satria Bayu Herlambang Sepriliani, Sisca Puspita Setiyani, Eka Denti Setyorini, Ninik Purwaning Sisca Puspita Sepriliani Sistyawati, Risda Intan Soleha, Dwi Ardanti Sophia Rahmawati Sri Sumarni Sri Winarni Suci Hayati Sulafah Ansya Saskiyah Sutrimo Sutrimo, Sutrimo Syutaridho Syutaridho Tanjung, Ayu Luviyanti Tria Gustiningsi Uci Lusinda Viona Yuliza Wardi Syafmen Wibowo, Fadhia Aliva Yelli Ramalisa Yufitri Yanto Yulianita Maharani Yusuf Hartono Zahra Alwi Zahra Alwi, Zahra Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi Zulkardi

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